1） He's going to ____ his old rival in the second round.

A. compete B. compete for

C. compete with D. be competitor

6) - More than thirty students competed _____ each other in the English competition

　-- But they could only compete ____ three medals .

　A. against; with B. against ; on

　C. with ; for D. on; for

　2. host

　【用法指南】

1） vt 主人招待；主办或主持某项活动。

2） n. 主人； （电视等） 节目主持人

【典型例句】

1) China will host the 29th Olympic Gamers in 2008.

中国将在2008年主办第29届奥运会。

Hosting our show this evening is the lovely Mary.